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Search: id:A073337
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| A073337 |
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Primes of the form 4n^2-10n+7 with n positive. |
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+0
2
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| 3, 13, 31, 241, 307, 463, 757, 1123, 1723, 3307, 3541, 4831, 5113, 5701, 6007, 8011, 9901, 10303, 11131, 12433, 13807, 14281, 17293, 20023, 20593, 21757, 23563, 24181, 26083, 28057, 30103, 35911, 41413, 43891, 46441, 53593, 60271, 78121
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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307 belongs to this sequence because 307 is prime and 307=4*10^2-10*10+7.
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MATHEMATICA
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Select[Table[4n^2-10n+7, {n, 200}], PrimeQ]
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CROSSREFS
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Cf. A054554, A073338.
Sequence in context: A058264 A034050 A107689 this_sequence A128067 A052493 A061938
Adjacent sequences: A073334 A073335 A073336 this_sequence A073338 A073339 A073340
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KEYWORD
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easy,nonn
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AUTHOR
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Zak Seidov (zakseidov(AT)yahoo.com), Aug 25 2002
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EXTENSIONS
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Edited by Dean Hickerson (dean(AT)math.ucdavis.edu), Aug 28 2002
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